The Oceanário uses water from the water supply network, to which the required amount of salt is added. We import salt from the Red Sea (Israel), as its chemical properties are essential to ensuring the quality of our seawater.

Do sharks eat the other fish housed in the main aquarium?

Despite being predatory animals, sharks do not usually prey on other fish when in captivity, as they are well fed. Therefore, attacks on other fish are rare.

What do the sharks eat?

The sharks usually eat fish, octopus and squid.

Where has the sunfish come from?

The Algarve coast.

What does the sunfish eat?

Gelatine with vegetables, fish and crustaceans.

Where have the penguins come from? How long do they live?

Most of our penguins have come from the San Francisco Zoo, in the USA. They live for about 20 years.

Where have the sea otters come from? How long do they live?

Our otters have come from Alaska. They live for about 20 years in their natural habitat.

Are the corals housed in the main Indian Ocean tank real?

The corals you can see in this tank are artificial. They have been introduced for decorative purposes and to provide shelter to the species housed in the tank. Removing such a large amount of live corals from their natural habitat would represent a serious threat to the survival of these species.